Please elaborate?
Euclidean distance is typically between two points eg; (x1,y1) and (x2,y2).
Are the contents of Z1 and Z2 a pair of points? Are the contents of Z1 one half of the pair and the contents of Z2 another half?
Additionally your two cell matrices are of different size, do you want Euclidean distance between the contents of every cell in Z1 to every cell in Z2, or between corresponding cells in Z1 to Z2?
